Xnotter for harvesters



(No Model.) 2 Sheets-Sheet 1.

W. F. GOAD.

. KNOTTER FOR HARVESTERS. No. 394,536. Pa gented Dec. 11, 1888.

N. PEIEBS, Phommho m hu. Wuhinglnn. D c

(No Model.) 8 2 Sheets-Sheet 2.

W; F. GOAD.

KNOTTBR FOR HARVESTERS.

No. 394,536. Patented Dec. 11, 1888.

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UNITED STATES PATENT OFFICE.

\VILLIAM F. GOAD, OF MOUNT PLEASANT, ASSIGNOR TO HIMSELF, AND J. V.GOAD, OF COLUMBIA, 'lENNESSEE.

KNOTTER FOR HARVESTERS.

SPECIFICATION forming part of Letters Patent No. 394,536, dated December11, 1888.

Application filed March 15 1888.

To all whom it may concern:

Be it known that I, IVILLIAM F. GOAD, of Mount Pleasant, in the countyof Maury and State of Tennessee, have invented certain new and usefulImprovements in Knotters for Harvesters; and I do hereby declare thatthe following is a full, clear, and exact description thereof, referencebeing had to the accompanying drawings, and to the letters of referencemarked thereon, which form part of this specification, in which- Figure1 is a side elevation of my improved twine-knotter for grain-binders,partly in section. Fig. 2 is a front elevation of the same, partly insection. Fig. is a detail enlarged rear elevation of the same, partly insection.

4 is a sectional detail view of the cordholding devices.

This invention relates to improvements in cord-knotters forgrain-binders; and it has for its objects to provide improvedcord-holding devices, cord-knotting bill, and, cord-severing mechanism;and to these ends it consists in the novel construction and arrangementof parts, and of the supporting-frame for these parts,as will be clearlyunderstood from the within description, in connection with the drawings,and particularly specified in the claims hereto appended.

I11 the drawings, the letter A represents the frame of the knotter,which is provided with an upper sleeve, a, in which is journaled thegear or driving shaft A. Below sleeve a is the needle-opening a, and atone side of said opening at right angles to sleeve (6 and below the sameis enlarged portion A of the frame, in which are formed bearings for theknotterbill shaft and for the twine-holder shaft, as hereinafterreferred to.

B designates the cam and gear disk which operates the knotting devices,and which is mounted on shaft A. Near the outer periphery of this diskis formed on its face the radial teeth Beight in numberwhich are adaptedto engage at proper time the pinion on the shaft of the knotter-bill androtate the latter. The knotter-bill is mounted on the lower end of ashort shaft, 0, journaled in bearings formed in part A of the frame, asshown, and the pinion c on shaft 0 rotates in .an opening, a, in partA", as shown, so that Serial No. 267,210. (No model.)

while it can engage teeth tected from injury.

C is theknotter-bill, the lower jaw of which is curved laterally in ahook shape, as shown in Fig. i, and is provided with a slot, C, at oneside of which is formed a vertical shoulder, C, which is to prevent thecord passing too far between the jaws of the bill, and this lower jaw isalso formed with the throw-off cam on its side opposite to and above thehooked end of the jaw and standing above shoulder as shown. The upperjaw, C, of bill (J is curved similarly to the lower jaw, and is pivotedin a vertical slot, 1*", and projects rearward, as shown, so that itsrear end will engage a canrspring, D, on the lower end of avertically-adjustably shaft, (1, which has proper bearings in part A ofthe main frame to one side of and parallel with shaft 0, and is held bya set-screw D, as shown. This cam causes the jaw C" to bite the cordfirmly at the proper time to make a tight knot.

If desired, a roller, D may be mounted 011 the rear end of bill C forengaging cam D. Cam I) can be adjusted to regulate the tension or biteof the bill on the cord, and adapt the same for different diameters ofcord.

E represents the cord-holder plate or disk having a series of deepnotches, E, in its periphery, and mounted on an inclined spindle, E,removably secured in proper bearings in part A" of the main frame, whichis properly recessed, as shown, to receive the disk and shaft.

6 represents a pinion on spindle E, the teeth of which are formeddiagonally, as shown, and correspond in number with the notches E.

6 represents a delay-shoe on spindle E above pinion e, which is providedwith a number of squared faces corresponding with the teeth of thepinion. The spindle E is secured in position by a set-screw, 6 The diskE, pinion e, and delay-shoe 6' may be cast in one piece, or rigidlyunited, so as to operate together. edge, e, at the periphery of disk B,as shown, and pinion e is rotated one tooth by means of tooth F, formedon an oifset portion, f, of disk B at the periphery thereof, which isinclined to the axis of the disk, as shown, to properly it will be pro-Delay-shoe e is held by a delay:

engage the diagonal teeth of pinion 6. At the base of tooth F is formedthe notches F in the delay-edge 6, so that when pinion e is rotated theshoe e can also rotate to bring a new face against the delay-edge of thedisk B.

G indicates a slotted shoe partly embracing the periphery of disk E andmounted on or formed integral with a sprin g-supporting arm, G,adjustably secured to a convenient portion of the main frame by a boltor set-screw, fr", passing through a slot in arm G, as shown.' Byadjusting this arm the shoe can be arranged in such relation to thenotched holderdisk as to catch and hold with the requisite tensioneither large or small twine.

g is a spring-arm attached to the outer lower side of shoe G and bearingagainst a side piece of the frame, as shown. \Vhen the cord is engagedbetween shoe G and disk E, arm Q will bind against the side of the frameand prevent the shoe being drawn inward toward the knotter or bindingagainst the outer side of disk E.

H indicates the cutter-arm, which is U- shaped and pivoted by one of itslegs upon a stud, h, on frame A below sleeve a. The upper end of arm Hextends forward to the disk B and carries an anti-friction roller, I-l,playing in a groove, h, insaid disk. This groove h is formed at oneportion into a short cam, h, which is arranged in such relation to theteeth that operate the kn otter-bill shaft as to actuate arm H at theproper moment, which is when the knotter-bill has completed the knot.The arm II is curved, so as to be out of the way of the needle-bar atall times, and.

to its lower end is attached a removable knife, I, as shown, which isprovided with a widened rounded head, that when the knife is in anormal' position lies just underneath the twine that is brought up bythe needle and engaged with disk e, so that when the needle is retracted, should the twine drop, it will impinge upon the upper edge ofknifeI and be sup ported thereon in position for engagement by theknotter-bill, thereby insuring the tying of the knots and binding of thebundles at all times.

The arm H is controlled by a spring, J, secured to frame A and bearingupon said arm, as shown, to keep it from vibrating at all times, exceptwhen actuated by cam 71', as it would otherwise do, since roller H isnecessarily of less diameter than the width of grooves h.

The bottom of frame A is covered with a thin plate of metal, K, providedwith a needle and cord slot, is, so that the working parts will be keptfrom contact with the straw or hay being tied.

The number of teeth on the offset of disk U E may be increased, so thatin place of one ,a shaft for the cord-holding disk is a great advantage,since when it becomes worn it can be readily removed and a new spindlesubstituted, and there will be no wear of the journals of thecord-holding devices in the part A The knotter stands at an angle on themachine, and the crooked bill turns up in position to catch and hold thetwine until it makes the knot.

As there is nothing between the bundle and knotter-bill but the thinsteel plate, and as the billvworks very close to the latter, the bundleis tightly tied, and no expansion of the bundle is required to tightenthe band.

The pinion c has a shoulder or delay-recess, 1), formed in its upperedge,which engages the delay-edge b on the disk B after the pinion c hasbeen once rotated, and thus the pinion and knotter-bill, after eachrotation by the teeth B, are held in position until the teeth B againengage the pinion c.

Having described my invention, I claim- 1. In a knotter, the combinationof the knotter-bill 0, having pivoted jaw G, with the adjustable cam D,engaging said jaw, all constructed and arranged to operate substantiallyin the manner and for the purpose specified.

2. The combination of the main frame A, the knotter-bill shaft journaledtherein and its pinion, the twine-holding disk E, inclined toward theknotter-bill, its diagonal toothed pinion e and delay-shoe c, and thespringeontrolled cutter-arm H, with the actuatingdisk B, having radialteeth B engaging the knotter-shaft pinion, the groove and cam h", foractuating arm H, the delay-edge e", and the offset portion f andinclined tooth F, for engaging pinion- 6, all constructed and arrangedto operate substantially in the manner and for the purpose described.

The combination, with the frame A, constructed substantially asdescribed, and the disk B, with the inclined removable spindle E,mounted in said frame, and the cordholding disk and its pinion journaledon said spindle, all constructed and arranged substantially as and forthe purpose described.

4:. The combination of the frame A, the shaft A, journaled therein, andthe disk B, having a delay-edge and teeth and groove, substantially asdescribed, with the knotterbill shaft j ournaled in said frame anddriven by the disk, the curved knotter-bill 0 thereon, the inclinedcord-holding disk E, pinion e, and delayshoe ve, mounted on a spindlefixed in said frame, the adjustable inclined cord-holding shoe G, thespring-supporting arm Gr therefor, and the cutter-arm H, pivoted on saidframe, all substantially as and for the purpose described.

5. In a cord-knotting device, the combination of the main frame, theknotter-bill shaft journaled therein, the curved knotter bill C, havinga pivoted jaw, C, and the cam D, engaging and operating said jaw, withthe .disk B, the pivoted cutter-arm H, the cord- IIO holding disk E andits coacting shoe G, the adjustable spring-arm G, supporting said shoeand the pinion e and delayshoe 6, substantially as described.

6. The combination of the frame A, shaft 0, and knotter-bill C thereon,the oscillating pivoted arm H, carrying a cutter, I, the spindle E",inclined toward shaft 0, and the cordholding disk E, pinion e, anddelay-shoe e on said spindle, and the cord-holding shoe G, engaging saiddisk, with the shaft A and the actuating-disk B thereon, having agroove,

h, and cam h for actuating arm H, a series of teeth, B, for actuatingthe knotter-bill, a delay-edge, e, for shoe e, and an oifset tooth, F,for engaging pinion e, all-substantially as described.

In testimony that I claim the foregoing as my own I affix my signaturein presence of two witnesses.

\Y. F. GOAD. Vitnesses:

C. W. WETHERsPooN, ROBT. PILLOW.

